As is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.

和人类一样，许多动物年幼时睡得多，但长大后睡少了很多。

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I often sleep a lot at weekends.

我通常在周末睡得很多。

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In the Great Lakes, I hope I can sleep a lot and forget all problem.

在五大湖，我希望我能睡得饱并忘记所有的问题。

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It has to be said that the young Milton lost a lot of sleep over this passage.

必须说的是,年轻的弥尔顿为了这些文章放弃了很多睡眠。

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"He was in a lot of pain and couldn't sleep, so he did a lot of his work at night, " Ms. Lippincott says.

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But he had "lost a lot of sleep" over how to handle his client's needs and decided for now on a different course of action.

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